NEC LCD400 user manual Troubleshooting

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Troubleshooting

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The signal cable should be completely connected to the display card/computer.

The display card should be completely seated in its slot.

Power Switch and computer power switch should be in the ON position.

Check to make sure that a supported mode has been selected on the display card or system being used. (Please consult display card or system manual to change graphics mode.)

Check the monitor and your display card with respect to compatibility and recommended settings.

Check the signal cable connector for bent or pushed-in pins.

Image persistence

Image persistence is when a “ghost” of an image remains on the screen even after the monitor has been turned off. Unlike CRT monitors, LCD monitors’ image persistence is not permanent. To alleviate image persistence, turn the monitor off for as long as an image was displayed. If an image was on the monitor for one hour and a ”ghost” of that image remains, the monitor should be turned off for one hour to erase the image.

NOTE: As with all personal display devices, NEC Technologies recommends using a screen saver at regular intervals whenever the screen is idle.

Image is unstable, unfocused or swimming is apparent

Signal cable should be completely attached to the computer.

Use the OSM Image Adjust controls to focus and adjust display by increasing or decreasing the fine total. When the display mode is changed, the OSM Image Adjust settings may need to be re-adjusted.

Check the monitor and your display card with respect to compatibility and recommended signal timings.

LED on monitor is not lit (no green or amber color can be seen)

Power Switch should be in the ON position and power cord should be connected.

Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).

Display image has a green cast to it

• Open OSM Display Mode and press the “+” Control button.

Display image is not sized properly

Use the OSM Image Adjust controls to increase or decrease the Coarse total.

Check to make sure that a supported mode has been selected on the display card or system being used. (Please consult display card or system manual to change graphics mode.)

Selected resolution is not displayed properly

Use OSM Display Mode to enter Mode Change sub-menu and confirm that the appropriate resolution has been selected. If not, select corresponding

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Contents MultiSync FCC Information Canadian Department of Communications Compliance StatementContents Figure A.1 Quick StartQuick Start Image Adjust Auto AdjustControls Brightness and ContrastFactory Preset Display ModeAccuColor Control System OSM LocationRecommended Use Safety Precautions and Maintenance78132391 10/29/99, 842 AM Monitor MultiSync LCD400 Specifications SpecificationsNative Resolution Pixel Count 1280 x Monitor MultiSync LCD2000 SpecificationsFeatures Troubleshooting 508 ReferencesFastFacts Information 800 Literature & Sales Info NEC-INFO 800 MultiSync FulfillmentLimited Warranty Declaration of Conformity